Brother FS-20 - Manual (Page 97)

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ERROR MESSAGES
If an operation is performed incorrectly before the sewing machine is set up, an error message appears on the
operation panel. Follow the instructions indicated in the table.
If you press the stitch selection key or do the operation correctly while the error message is displayed, the
message disappears.
Note
● If error message “F1” through “F9” appears in the LCD while the sewing machine is being used, the
machine may be malfunctioning. Contact your nearest authorized service center.
Operation beep (for models equipped with the operation beep)
Each time a key is pressed you will hear one beep. If a non-functioning key is pressed or an incorrect operation
is performed you will hear two or four beeps (only for models equipped with the operation beep).
■ If a key is pressed (correct operation)
One beep sounds.
■ If an incorrect operation is performed or a non-functioning key is pressed
Two or four beeps sound.
■ If the machine locks up, for example, because the thread is tangled
The sewing machine beeps for four seconds and the machine automatically stops. Be sure to check for the
cause of the error, and correct it before continuing to sew.
Error Message Probable Cause Solution
The foot controller was pressed (or the start/
stop button was pressed if the foot controller
is not connected) and the reverse/
reinforcement stitch button was pressed while
the presser foot is raised.
Lower the presser foot lever before
continuing the operation.
A stitch other than the buttonhole or bar tack
stitch was selected and the foot controller
was pressed (or the start/stop button was
pressed if the foot controller is not connected)
while the buttonhole lever is lowered.
Raise the buttonhole lever before
continuing the operation.
The buttonhole or bar tack stitch was selected
and the foot controller was pressed (or the
start/stop button was pressed if the foot
controller is not connected) while the
buttonhole lever is raised.
Lower the buttonhole lever before
continuing the operation.
The reverse/reinforcement stitch button or
needle position button was pressed while the
bobbin winder shaft is moved to the right.
Move the bobbin winder shaft to the
left before continuing the operation.
The start/stop button was pressed while the
foot controller was connected.
Disconnect the foot controller, and
then press the start/stop button.
Otherwise, operate the machine by
using the foot controller.
The motor locked up because the thread is
tangled.
Clean the race to remove the tangled
thread (p.82). After cleaning the race,
insert the bobbin case properly. If the
needle is bent or broken, replace the
needle. Then, thread the upper thread
properly, and continue the operation.